Martin i Roig, Gabriel,  1970- <br/><br/>
Drawing with charcoal, chalk, and sanguine crayon / 
[text, Gabriel Martin Roig]. 
 - Hauppauge, NY :  Barron's Educational Series,  c2006. 
 - 64 p. :  col. ill. ;  29 cm. 
 - Beginner art guides .
<br/><br/><label>ISBN: </label>9780764159893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Charcoal drawing--Technique.<br/>Crayon drawing--Technique.
<br/><br/><label>LC Class. No.: </label>NC850  / .M3715 2006